JSON Validator
Validate JSON syntax and check for errors in your JSON data
JSON Input
JSONValidation Status
Enter JSON to validate
About JSON Validation
JSON validation checks for:
- • Proper bracket/brace matching
- • Correct comma placement
- • Valid string escaping
- • Proper key-value syntax
- • No trailing commas
- • Valid data types
Common JSON Errors
Missing quotes: Keys must be in double quotes
Trailing commas: No comma after last element
Single quotes: Use double quotes only
Unescaped characters: Escape special characters
Unclosed brackets: Every [ needs a ]
Features
✓ Real-time validation
✓ Detailed error messages
✓ Syntax highlighting
✓ Example data loading
✓ File upload support
✓ No data stored
Use Cases
• API response validation
• Configuration file checking
• Data structure verification
• Debug JSON parsing errors
• Pre-deployment validation
JSON Standards
This validator follows RFC 7159 and ECMA-404 JSON standards, ensuring compatibility with all major JSON parsers and APIs.